refactor: consolidate hypotheses, agent_signals, and process_logs into action-based smart tools

server/src/handlers/graph.rs

@@ -1223,7 +1223,7 @@ impl McpTool for SummarizeSubgraphHandler {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::handlers::meta::{BroadcastAgentSignalHandler, QueryAgentSignalsHandler};
+    use crate::handlers::meta::AgentSignalsHandler;
     use serde_json::json;
 
 
@@ -1515,19 +1515,21 @@ mod tests {
         }), state.clone()).await.unwrap();
         assert_eq!(del_rel_res, "Relations deleted");
 
-        let bcast_handler = BroadcastAgentSignalHandler;
+        let bcast_handler = AgentSignalsHandler;
         let bcast_res = bcast_handler.execute(json!({
+            "action": "broadcast",
             "sender": "agent1",
             "signal_type": "task_completed",
             "payload": "fix_bug"
         }), state.clone()).await.unwrap();
         assert!(bcast_res.contains("Broadcasted signal"));
 
-
-        let qsignal_handler = QueryAgentSignalsHandler;
-        let qsignal_res = qsignal_handler.execute(json!({"sender": "agent1"}), state.clone()).await.unwrap();
+        let qsignal_handler = AgentSignalsHandler;
+        let qsignal_res = qsignal_handler.execute(json!({
+            "action": "query",
+            "sender": "agent1"
+        }), state.clone()).await.unwrap();
         assert!(qsignal_res.contains("task_completed"));
-
         let read_paged_handler = ReadGraphHandler;
         let paged_res = read_paged_handler
             .execute(json!({"limit": 1, "offset": 0}), state.clone())